president is trying to negotiate, there have been recent negotiations whether to negotiate with the taliban. there's a debate within the pentagon, the generals are debating how many troops to leave behind and the combination. the president is serving notice to the pentagon i'm going to keep the zero option. think about the past decade, inconceivable to think there wouldn't be some u.s. residual force in afghanistan to look across the border to pakistan. for anyone who thinks it is impossible, it is improbable to have zero i give you one example iraq, everyone thought we would leave a force there and we didn't. >> what is the next step? are you laying down, the president's laying down his marker and waiting for hamid karzai to respond? it seems like a dangerous game to be playing, we're talking about a huge foreign policy issue. >> it is but this relationship sometimes this is what it takes. i was told by a senior official not that long ago it's like dealing with a 3-year-old. sometimes you need to lay it out there. if karzai doesn't trust his security forces we snap it back to zero option a